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AI-linked stocks fall after call for development slowdown worries investors – business live

AI-linked stocks across Asia and Europe have fallen after prominent tech leaders called for a slowdown in AI development due to safety concerns, prompting investors to reassess the industry's rapid growth trajectory.

By Graeme Wearden·Sep 14·theguardian.com·4 min read

Intelligence analysis by Gemini 2.5 Flash

AI-linked stocks fall after call for development slowdown worries investors – business live
Image: theguardian.com

Leading figures in the AI sector, including Anthropic's CEO Dario Amodei, Sam Altman of OpenAI, and Elon Musk, have advocated for a deceleration in AI development, citing potential 'reckless' outcomes. This call has triggered a significant sell-off in technology stocks globally, as investors anticipate a slower rollout of AI infrastructure and question future revenue growth.

Why it matters

This story is crucial for the economy as it signals a potential shift in investor sentiment towards the high-flying AI sector, impacting market valuations, investment in data centers, and the broader tech industry. A slowdown could lead to credit risks for highly leveraged companies and alter the landscape of technological innovation and economic growth.

Imagine everyone was super excited about building the fastest, coolest new roller coasters ever, and companies were spending tons of money to build them. But then, the people who design the roller coasters said, "Hold on! Maybe we're building them too fast, and they might not be safe! Let's slow down." Suddenly, all the companies that make parts for roller coasters, or lend money to build them, got worried. Their stock prices, which are like their company's report card, started to drop because people think fewer roller coasters will be built, and the companies might not make as much money as they hoped.

Analysis

The recent downturn in AI-linked stocks, particularly across Asian and European markets, underscores a growing tension between rapid technological advancement and calls for responsible development. The catalyst for this market reaction was the appeal from Anthropic CEO Dario Amodei, who warned against 'reckless' AI development and suggested that a swarm of AI agents could cause billions in damages by 'taking over the entire internet.' This sentiment was quickly echoed by industry titans Sam Altman and Elon Musk, lending significant weight to the argument for a more cautious approach.

Dario Amodei's Appeal

Amodei's public call for a slowdown in AI development, grounded in safety concerns, has directly impacted investor confidence. His warnings about the potential for AI agents to cause widespread damage, while disputed by some experts, have been taken seriously by the markets. This has led to a re-evaluation of the aggressive growth projections that have fueled the AI boom, particularly concerning the substantial infrastructure investments required for data centers.

Investors are now pricing in a scenario where the pace of AI innovation might not be as relentless as previously assumed. This shift in perception directly affects companies that have seen their valuations soar based on anticipated exponential growth. The market's reaction highlights how deeply intertwined investor sentiment is with the public statements and perceived intentions of key industry leaders, especially when those statements touch upon fundamental safety and ethical considerations.

SK Hynix and SoftBank

The market's apprehension was immediately reflected in the performance of major AI-linked companies. South Korea's KOSPI index dropped significantly, with chipmaker SK Hynix plummeting by 5.75%. SoftBank, a prominent AI investor, saw its shares fall by as much as 13% in Tokyo, partly due to OpenAI CEO Sam Altman's announcement that the ChatGPT-maker would not go public this year. Taiwan Semiconductor Manufacturing Company also experienced a decline.

In Europe, the Stoxx Europe 600 Technology index hit a six-week low, with French semiconductor materials company Soitec dropping 12.8% and Germany's Aixtron falling 9.3%. These declines illustrate the broad-based impact of the slowdown calls, affecting not just the developers of AI models but also the crucial hardware and infrastructure providers that underpin the entire ecosystem. The interconnectedness of the global tech supply chain means that concerns originating from a few prominent voices can quickly ripple through international markets.

Ipek Ozkardeskaya's Warning

Ipek Ozkardeskaya, a senior analyst at Swissquote, articulated the core financial concern: the sustainability of AI infrastructure investments if development slows. She questioned who would bear the costs of leases, debt, and power commitments for data centers if the expected compute demand and revenue growth diminish. This scenario introduces significant credit risk, particularly for highly leveraged data-center operators and lenders who have financed projects based on aggressive assumptions about future AI demand.

Ozkardeskaya's analysis points to a critical vulnerability in the AI investment narrative, especially at a time when interest rates are expected to rise, increasing borrowing costs. The unique aspect of this slowdown, as noted, is that it originates from the developers themselves rather than a lack of capital or investor willingness. This internal call for caution suggests a more fundamental re-evaluation of the industry's trajectory, potentially leading to a more measured, but perhaps less profitable, path forward for the sector.

Key points

  • Leading AI figures, including Anthropic's Dario Amodei, Sam Altman, and Elon Musk, have called for a slowdown in AI development due to safety concerns.
  • This appeal has caused AI-linked stocks in Asia and Europe to fall, with South Korea's KOSPI index dropping 3.7% and the Stoxx Europe 600 Technology index hitting a six-week low.
  • Companies like SK Hynix, SoftBank, Taiwan Semiconductor Manufacturing Company, Soitec, Aixtron, and Infinion have seen significant share price declines.
  • Analysts warn of potential credit risks for data-center operators and lenders if the pace of AI development and associated revenue growth slows, especially with rising interest rates.
  • The market reaction reflects investor reassessment of the AI industry's valuation and the sustainability of its rapid infrastructure rollout.
  • OpenAI's CEO Sam Altman stated the company would not go public this year, contributing to investor unease.
The Downside

The calls for an AI development slowdown could lead to significant credit risks for highly leveraged data-center operators and their lenders, as the cost of infrastructure commitments may outweigh slower-than-expected revenue growth. Rising interest rates would exacerbate these borrowing costs, potentially triggering a broader downturn in the tech sector and impacting global market stability.

Market signals

KOSPI IndexSoftBankStoxx Europe 600 Technology indexNasdaq index
  • KOSPI Index The KOSPI index dropped by 3.7% as AI-linked Asian stocks slumped following calls for a development slowdown.
  • SoftBank SoftBank fell by as much as 13% after OpenAI's CEO stated the company would not go public this year, impacting a major AI investor.
  • Stoxx Europe 600 Technology index Europe’s technology sector, represented by this index, hit a six-week low, dropping 2.3% due to investor reaction to AI slowdown calls.
  • Nasdaq index Futures prices implied the tech-heavy Nasdaq index was expected to fall 1.4% as AI enthusiasm waned.

AI-generated analysis of potential market relevance. Not financial advice.

Originally reported at

theguardian.com

Discernion covers the story. Read the full piece at the source.

Tagseconomymarketstechaistock-marketregulationsemiconductors

Author

Graeme Wearden

Intelligence analysis by

Gemini 2.5 Flash

Published

Sep 14, 2026

Source

theguardian.com

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Topics

economymarketstechaistock-marketregulationsemiconductors

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